Isn't the (Zip Air) supposed to be who operates the aircraft?
Zip is no more and the aircraft isn't operated at all.

/JM

from the help:

5. Untitled aircraft not operated by an airline or charter company, but owned by private persons, business companies, flying clubs, aircraft sale companies, broker companies, etc. will be listed as "Untitled". If you want to supply owner or operator details these shall be listed in the Remarks field.